apple orchard systems in china - cornell university orchard systems in china lailiang cheng cornell...

21
Apple Orchard Systems in China Lailiang Cheng Cornell University

Upload: truonganh

Post on 27-May-2018

222 views

Category:

Documents


1 download

TRANSCRIPT

Apple Orchard Systems in China

Lailiang Cheng

Cornell University

Total acreage: >5M acres; Average yield: 6 tons/acre

Total production: >30M tons; Average farm size: <1 acre

Major Problems in Apple Production in China

Most trees (>95%) are on seedling rootstocks

Both fruit thinning & bagging are manual, and labor

costs are on the rise

Low soil organic matter and overuse of fertilizers

……..

Bending branches to horizontal + girdling

On Malus sieversii rootstock

Hanfu/GM256/M. baccata

In Liaoning Province

Spur Fuji/M.26/M. prunifolia

3rd leaf Fuji (left) and Goldens (right) on M.9 T337

Acknowledgments

Dr. Mingyu Han, Chief Scientist of the Apple

research System in China

Dr. Yongbing Yuan, Professor of Pomology,

Qingdao Agricultural University